Po-Shen Loh is the Energizer Bunny of math. The Carnegie Mellon professor and entrepreneur also has a superpower elusive to many mere mortals: He sleeps on planes. This math evangelist uses Google ...

We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple third-grade math problem manages to trip us up and make us question our ...

For Americans of a certain age, there may be no bigger question than this. At what age should I take Social Security? At age 62? Sixty-five? Seventy? The question matters, because your monthly Social ...

Jenny Quinn, executive director of the Seattle Universal Math Museum, shows off a solved Fibonacci sequence puzzle. (GeekWire Photo / Maddie Stoll) Jenny Quinn travels with math in her backpack. She ...